The books that the world calls immoral are books that show the world its own shame.

Reading is to the mind what exercise is to the body.

Those who fail to learn the lessons of history are doomed to repeat them.

Knowledge is power. Information is liberating. Education is the premise of progress, in every society, in every family.

He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.

Education is the ability to listen to almost anything without losing your temper or your self-confidence.

I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

The whole of science is nothing more than a refinement of everyday thinking.

A cynic is a man who knows the price of everything, and the value of nothing.

Knowing is not enough; we must apply. Willing is not enough; we must do.

If one cannot enjoy reading a book over and over again, there is no use in reading it at all.

The most important part of teaching is to teach what it is to know.

Science is a way of thinking much more than it is a body of knowledge.

If the facts don't fit the theory, change the facts.

It isn't what we don't know that gives us trouble, it's what we know that ain't so.

A little knowledge that acts is worth infinitely more than much knowledge that is idle.

Physics is like sex: sure, it may give some practical results, but that's not why we do it.

We could never learn to be brave and patient, if there were only joy in the world

Seek knowledge from the cradle to the grave.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.